bell jarnoun [ C ]
uk/ˈbel ˌdʒɑːr/us/ˈbel ˌdʒɑːr/a large glass cover shaped like a bell used to cover chemical equipment, especially to prevent any gas from escaping
Thesaurus: synonyms and related words
Laboratory equipment
- Buchner funnel
- Bunsen burner
- burette
- calorimeter
- collecting flask
- condenser
- conical flask
- crucible
- evaporating dish
- flame test
- flask
- graduated cylinder
- microscope
- oscilloscope
- particle accelerator
- pipette
- retort stand
- siphon
- test tube
- transducer
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Examples from literature
- Air under a bell jar may be kept dry by means of a basin of sulphuric acid, and gases bubbled through it are freed from water-vapour.
- By keeping some of this covered with a bell jar for a week or two, so as to retain the moisture, at the end of this time a large crop of the fungus will probably have made its appearance.
- The whole electrolysis vessel is then placed under a glass bell jar containing dry air, and kept in a refrigerator until again required for use.